2013 new Mac Pro will not boot up from and external hard drive

New 2013 MAC PRO running Yosemite will not not see a bootable external hard drive when starting up using option key? Same External hard drive will boot up on 2013 Mac Book Pro running Yosemite.

Reading between tea leaves sometimes leaves some things to imagination.
You used SuperDuper latest version that was recently upgraded for Yosemite on a laptop running 10.10 (or even 10.9.3+) that is in a X-brand USB3 drive enclosure, not bus powered btw, moved it to the nMP and plugged it into a direct port, not going through a hub (monitors have hubs of course and there is only one real bus+controller on the nMP that ALL USB3 travels through.
Thunderbolt and self-powered would be nice but they cost a bit more.
I have read where Carbon Copy Cloner (now v 4.x) worked where others failed. I use to use both but have used CCC since its inception and use back in 10.2.2 forward along with SD! for a few years based on comments here.
Drivers missing? someone compared system extensions and found the ones needed for say the nMP are not there? how about running a 10.10.1 combo update and see if that changes - we USE to be able to apply updates to a system that we were not booted from, very handy (could update a sparse disk image of a system that way, one created with CCC).
WD Passports seem popular with laptop users, but they come here to this forum complaining that it doesn't work, disappears off the bus (spins down goes to sleep, acts like a green drive acts).

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TS1367 my laptop will not boot up from the storage hard drive but if i remove it from the laptop and connect it as portable hard drive my laptop boot up normal?

my laptop will not boot up from the storage hard drive but if i remove it from the laptop and connect it as portable hard drive my laptop boot up normal?

Do you have a compatible OSX installed on this 'storage' HDD? If not, it will not boot your MBP.
Ciao.

HT202731 Yosemite on new MacBook Pro is not recognising Seagate or Lacie external hard drives

My Lacie external drive and Seagate external drive are not being recognised by my new MacBook Pro 13" retina with OS X Yosemite 10.10.1. Initially the Lacie worked, but that has dropped out - cannot find it in disk utilites.
Lacie is recognised by my friends computer with Maverick - OS X 10.9.5. Currently downloading data and will try to reconfigure the external drive. Is Yosemite truly not acknowledging other drivers? USB memory key is fine. Lacie has been my back up for some years, also Seagate, but on older computers. Suggestions needed to resolve this please.

Contact the manufacturers of Lacie and Seagate. You need to determine if the models that you have are compatible w/your new OS system and/or comp.

2009 Mac Pro will not boot up under Windows

I have an Early 2009 Mac Pro system (Mac Pro 4,1) and I've had this system for 3 years already and have been working under OS X with this system ever since I purchased it.
However, when I tried to boot off my Windows disk, something very interesting happens. The Mac Pro WILL NOT boot up off the Windows disk or a known working Windows partition if two monitors are connected. Upon holding down the option key and selecting the Windows partition, I will get a black screen on one monitor (the one connected via Mini Displayport) and the other screen receives no signal and will enter standby and the system is halted. It does not respond to keystrokes, there is no hard drive activity, no measured power increase on the UPS, no apparent network activity, nothing. The only way to exit this scenario (from what I can tell) is to power off the machine, disconnect the display on DVI, power on the machine again, select the Windows partition wait for the system to reach the login window and reconnect the DVI monitor (at which time Windows recognizes it immediately and the system works fine again).
My question to the community is, does anybody know why this is happening and is there a known fix for this? Quite frankly, having to disconnect a monitor just to restart is very tedious and frustrating.
I have two Samsung P2350 monitors attached to an ATI Radeon HD 4870 (512MB, from Apple). One is monitor is connected via directly DVI and the other is using a Mini Displayport to DVI adapter. Both monitors work fine under OS X with no issue. At first, I thought that this may be a driver issue on the Windows side and after installing all the latest updates and drivers the issue is still apparent. From what I can tell, this doesn't seem like a software issue but rather a firmware or EFI issue as this happens before Windows even loads.
If anyone knows of a fix or what to do in this situation, or if you are also having this issue, I would love to hear your input!
Thank you!
For the record, I am running all the latest software builds on the OS X side (10.7.4, not that it would really matter at this point). I have also disconnected all unnecessary equipment in a trial and error scenario but the results are still the same.
The system passes all ASD testing.
The full specification of the computer and all connected equipment are as follows:
2009 Mac Pro (4,1) 8-Core
2x Intel Xeon Nehalem 2.66GHz Quad-Core CPUs
16GB DDR3 ECC 1066MHz RAM (Apple Branded)
Two OWC 120GB SSDs (One for OS X, the other for Windows 7 x64) - These are in place of my optical drives.
4x 2TB WD Black Hard drives for storage.
Two Samsung P2350 Monitors connected via DVI. (One using a Mini Displayport to DVI adapter).

In Windows I am using the latest (12.4) Catalyst Software Suite, 64 bit of course, downloaded directly from AMD's site after installing the drivers from Boot Camp.
As for installing Windows I used an original (not burned) installation media (Disk is in a pristine condition). And yes, Windows is fine, the problem just seems to be getting the system to boot up Windows with that second monitor. However if the "problem monitor" is disconnected the system boots fine 100% of the time and connecting it later after booting the system will still operate properly.
For the sake of arguement I swapped monitor cables and connected the "second" monitor to the mini displayport adapter to verify that it wasn't a cabling issue and I'm still yielding the same issues.
As for GPU testing, I've played games (Crysis, Grand Theft Auto IV, Battlefield 3, etc.) and I've had no issues with the card or stability.
You would think that Apple would try to find a fix for this, especially considering the caliber of this machine.

My new Mac Pro will not recognize my old Canon video camera

My new Mac Pro will not recognize my old Canon video camera

We've used the 400 to 800 firewire cables with limited success in the past...dropped frames was the main problem. Only used them until the Sonnet FireWire PCIe Card came in to allow a 400 firewire.

My Mac pro will not boot. it gets stuck on the grey screen.

My Mac pro will not boot. it gets stuck on the grey screen. What can I do?

Mac OS X: Gray screen appears during startup
If using 10.7 or later, the Installer/Utilities DVD has been replaced with a special emergency partition on the Hard drive called "Recovery_HD"

Can anyone boot Leopard from an external hard drive on an iMacPPC?

Can anyone boot Leopard from an external hard drive on a G5 iMac PowerPC? How?

Allan's answer is irrelevant as he refers to Snow Leopard. He must have isread your post!
Yes, you can and I do. The proviso is that the external hard drive is connected by firewire, as a PPC Mac cannot boot via USB.

My mac pro will not boot up

My Macbook Pro will not boot up. I've tried the recovery, but it says that the booting system is good. What else can I do to restart my Mac?

Morning Tlira,
Thanks for using Apple Support Communities.
If your Macintosh computer won't turn on, here's how to troubleshoot it.
Troubleshooting: My computer won't turn on
http://support.apple.com/kb/TS1367
If that doesnt work try this.
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Hope this helps,
Mario

Will a Mac automatically delete files/videos/pictures from an external hard drive?

I plugged in one of my external hard drives that contained documents, photos, and videos formatted from Windows. When I plugged it into my MacBook none of my files were on the external hard drive and I didn't see any prompts asking if I wanted to reformat my hard drive so I'm not sure if it was automatically deleted. Will a MacBook automatically delete files, pictures, videos from an external hard drive?

No.
What format is the external drive?

Mac Pro will not boot - HD and Machine are fine.

Greetings, and thank you in advance for your wisdom.
I have a 12-core Mac Pro, and she has been running like a dream. Once a month I run Onyx. Yesterday I did the same and upon reboot I got the grey apple screen and the spinning progress wheel that never stops spinning.
1. I repaired the HD via Disk Utility. All is fine.
2. The contents of the start-up drive are accessible - so the drive itself is not physically damaged.
3. I installed a new HD and made a copy of this Start-up disk via the Disk Utility. It will not boot from this drive as well.
4. I installed Snow Leopard (still using this) on the new drive to make sure the computer was happy. It fires up fine.
5. Everything is disconnected from the Mac Pro
So, I have obvious, and idiotically damaged the start-up disk using Onyx (assumption).
My life would be much better knowing I could do something that would enable me to boot from my current start-up and that's where I seek your wisdom.
Another question would be: If the above is not possible, if I install a fresh OS on the new drive, and then begin to replace all of the folders from the old drive (applications, library, etc.) will I be able to access my files as I did before. My issue is that I use this for music production, and there are literally close to 100 plugins that all have been registered. Going back through that process again would be days of labor, as some of these were purchases years ago. Tracking down serials would be a task. I think you understand.
So any advice that might prevent me from having to do as I said above will be wonderful.
Thank you all so much.
Lance

Under some circumstances, you may need to reinstall Mac OS X. You can reinstall Mac OS X while keeping your files and user settings intact.
from:
Mac OS X 10.6: Reinstalling Mac OS X
If your Hardware is functioning correctly, and your disk has no un-repaired Directory problems [Hint: run Disk Utility ( Repair Disk ) first] then re-installing Mac OS X modifies ONLY the files that are part of Mac OS X. Your Added Applications, User files (which contain preferences and serial numbers) are not supposed to be touched.

Mac Pro will not boot from Leopard or any CD or DVD install disk

My Mac Pro wont boot from my Leopard install DVD. It never gets by the gray screen, then after several minutes the screen scrolls down black and says I need to restart my computer. I tried my Tiger install disk and it still wont boot from that DVD. Held down the "C", used "option" and selected DVD and still no boot. I can boot from one HD that has Leopard 10.5.8, but another HD with Snow Leopard 10.6.3 will not boot. The HD with Snow Leopard shows up as "EFI Boot" not the name I gave that HD when I startup using the "option" key. Any help would be appreciated.

At first I was just going to say it sounds like you have a bad optical drive, but then you had to go and say that it also won't boot from a HDD.
That just makes things a whole lot worse.
Start by removing the side cover and checking the RAM to see if any of the LEDs are lit up indicating bad RAM. Usually if there's any bad RAM found, it will just automatically disable that stick, but maybe yours isn't for some reason.
Look for any other LEDs that may be lit. Generally speaking, the only time you should see an LED (outside of the power LED) lit consistently is if there's a problem.
You should also see if you can get Apple Hardware Test to run, which may or may not find some problem.
But sorry to say, it's sounding very suspiciously like a bad logic board.
One other thing to try, is putting the SL drive into a different slot. So if you were putting it in slot 2, try slot 3 or 4. If you just have a bad SATA port, you might be able to just work around that until you get a new system.
If by chance this system is still under warranty, do not walk, do not pass go, do not collect $200, RUN to the nearest AASP or Apple store to make it THEIR problem to sort out.

2007 Mac Pro will not boot, even in safe mode

Hello,
I have a Mac Pro purchased in 2007 that had been working well up until a few months ago. I had trouble with Microsoft Word 2008 repeatedly crashing; I repaired the hard disk and moved up to Word 2011, and the problem seemed to resolve.
Yesterday, the machine crashed, and I am not able to start it up, even in safe mode. I have tried resetting the SMC and NVRAM/PRAM, removed and cleaned the graphics card (NVIDIA 7300 GT), and removed the 3rd party RAM I installed at least 2 years ago.
When booting to the internal hard drive, the Apple logo will show, then a blue screen followed by a gray screen with a frozen cursor. When I boot to an external hard drive or the OSX Leopard install DVD, the screen flickers like below:
When I tried to boot in safe mode while holding shift + command + V, the safe boot froze after reading:
panic (cpu 2 caller 0x2abf6a): kernal trap at 0x0029a4bc, type 14= page fault, registries:
[4 lines of 2-3 letter acronyms and numbers]
Error code: 0x00000000
I am thinking of buying a new graphics card (ATI Radeon 5700), but I want to be sure (as much as possible) that will solve the problem I am having. Any suggestions would be very much appreciated!
Thank you,
Cheryl

replace the system drive
always clone your system
yes dump the 7300 if you plan to keep using it and use Lion
A clean install would be nice start, on say 120GB SSD or something too
And 2x2GB FBDIMM set is $30 if you need a set
AHT is on your OEM DVD from 20007
dust, temps and air flow is also important

Help! My Mac Pro will not boot up

I knew I shouldn't try to use the Boot Camp on my MP, but I thought it would work.
I have three HD in my MP and followed the instructions for the installtion of WIN XP on Mac drive 3, but when I was faced with the formatting choices in the Win setup I got confused with all the drive letters (I have two CD drives and three HDs), and must have formatted my Mac OS drive and partially drive 3.
My Mac Pro will no longer boot to the Mac OSX, even with the "option" key held down. All I get is a black screen that says: "NTLDR is maissing. (press CRTL-ALT-DEL to reboot).
Is there any hope of a recovery?
Thanks,
Tony

Wow...this is good to know! After many years with PCs I "assumed" that it would name the 1st drive "C" and then each one after that in order.
My problem was that I have three identical drives, all 250 GBs, so it was confusing, but that is exactly what the instructions said. So, with your encouragement and a little bit of faith, I will try this one more time. At least I learned how to recover after deleting my boot drive.
Thanks so much...
Tony
Tony,
If I remember right from my boot camp / xp
installation, boot camp aliases the drives, and when
it tells you to format C: for windows, that's the one
to select from the screen.
I panicked when I saw that, but then I realized that
the C: drive shown on the installation screen was
actually my secondary drive (and that boot camp had
shuffled the drive letters around). If you notice,
C: is actually not the top of the list, and in my
case I had two different drive sizes and so I could
reason that C: matched my secondary drive's size.
In short, pick C: for installation, as the program
says...
I thought for sure it nuked my OSX installation at
first, when it didn't seem that I could boot back to
OSX, but in the Control Panel of Windows (or in your
System Properties on OSX) you'll see an icon called
"Startup Disk" which will also allow you to pick OSX
or Windows and then restart.
Mac Pro 2.66, 3 GB Mac OS X (10.4.8)

Mac Pro will not boot, constant loud fan noise and nothing else

hello,
earlier tonight,i put my mac pro on sleep, then later on, when i wanted to take it off sleep and use it, it made the loud fan noise, which it always does but goes away, but this time it the fan wount slow down and the loud noise stays and i dont see anything on the screen. im guessing the fan noise is the ATI x1900 card...
any help please..i just bought it 2 months ago...

Hi, here are the steps I would go through. I would unplug the Mac Pro completely from everything and look at the video card's fan intake to make sure it isn't plugged and just make sure everything "looks" correct. I would then plug the machine back into one monitor/keyboard/mouse (leave all the other peripherals disconnected. Once that is done push the power button. Does anything happen? If not then if you have another mac and an external hard drive, make a copy of the OS on the drive and see if you can get the Mac Pro to boot off that drive. If the video card doesn't work then it will not show anything when booting off an external drive. If the external boot does work then I would suspect that you have a bad hard drive (or it crashed). At that point I hope you have a back up of all your data and such.
Mind you these are steps I would go through. What a nightmare. One other thing to check, make sure your monitor didn't die.
Message was edited by: jlseattle74

Mac Pro will not boot on mac os but will in vista

Hi I have an early macpro that recently will not boot mac os after I have selected the relevant hard drive. I get a grey screen saying reboot every time i cannot start from the CD also BUT I can start using Windows. I have removed the hard disc taken it to work and put it in another mac pro and it worked fine
Please help anyone
cheers
b3rn

Windows won't give a kernal panic or BSOD because it is a Mac related hardware issue.
If you can't boot from CD/DVD:
http://www.macfixit.com/article.php?story=20050311073316780
What resetting NVRAM does:
http://devworld.apple.com/qa/qa2001/qa1103.html
Your asking about a Mac Pro, but those are not "G5" and the OS can't be transferred between PowerMacs and Mac Pro.... are you sure we are talking about only Mac Pros?
Putting XP and Mac OS on the same drive, that doesn't strike me as what one would do; keep them on different drives.
And, if they are on the same drive, then you really haven't reformatted the drive, which would involve wiping any and all partitions, and then creating your Mac Standard (HFS+ Journaling) and backup XP with WinClone or install it to another drive.
I don't have trouble with Windows, but I do with the Boot Camp Assistant and drivers.

2013 new Mac Pro will not boot up from and external hard drive

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